Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.
He who can no longer pause to wonder and stand rapt in awe, is as good as dead; his eyes are closed.
Everything that is really great and inspiring is created by the individual who can labor in freedom.
Teaching should be such that what is offered is perceived as a valuable gift and not as a hard duty.
The most important decision we make is whether we believe we live in a friendly or hostile universe.
Curiosity is a delicate little plant that, aside from stimulation, stands mainly in need of freedom.
The idea of a Being who interferes with the sequence of events in the world is absolutely impossible